Monthly Greystones water temperature chart
The bar chart below shows the average monthly sea temperatures at Greystones over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 9.5 | 8.8 | 8.6 | 9.3 | 10.6 | 12.4 | 14.3 | 14.9 | 14.7 | 13.7 | 12.7 | 11.0 |
| °F | 49.1 | 47.8 | 47.5 | 48.7 | 51.1 | 54.3 | 57.7 | 58.8 | 58.5 | 56.7 | 54.9 | 51.8 |
Monthly average max / min water temperatures
The graph below shows the range of monthly water temperatures over several years.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 8.3 | 7.8 | 7.8 | 8.2 | 9.7 | 10.5 | 12.7 | 14.1 | 13.9 | 12.7 | 11.8 | 9.9 |
| Max °C | 10.8 | 9.8 | 9.5 | 10.5 | 11.6 | 14.3 | 16 | 15.8 | 15.5 | 14.7 | 13.6 | 12.2 |
| Min °F | 47.9 | 46.8 | 46.7 | 47.6 | 50.2 | 52.4 | 56.1 | 58 | 57.7 | 55.7 | 54 | 50.7 |
| Max °F | 50.4 | 48.8 | 48.4 | 49.9 | 52.1 | 56.2 | 59.4 | 59.7 | 59.3 | 57.7 | 55.8 | 53 |